Patents by Inventor Hak-geun JEONG
Hak-geun JEONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240106222Abstract: An embodiment of the present disclosure provides an arc risk management method comprising: pre-processing measurement values of currents flowing into an electric apparatus; estimating a level of arc energy in the electric apparatus by inputting the measurement values into one artificial intelligence network comprising a first layer including a dilated convolutional neural network and a second layer including a recurrent neural network; and indicating an arc risk to the electric apparatus in a quantitative way according to the level of arc energy.Type: ApplicationFiled: September 12, 2023Publication date: March 28, 2024Applicant: Korea Institute of Energy ResearchInventors: Yoon Dong SUNG, Gi Hwan YOON, Kuk-Yeol BAE, Suk In PARK, Mo Se KANG, Hak Geun JEONG, Hye Jin KIM
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Patent number: 11519952Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.Type: GrantFiled: October 14, 2021Date of Patent: December 6, 2022Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Su Yong Chae, Mo Se Kang, Kuk Yeol Bae, Suk In Park, Hak Geun Jeong, Gi Hwan Yoon
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Publication number: 20220065916Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.Type: ApplicationFiled: October 14, 2021Publication date: March 3, 2022Inventors: Su Yong CHAE, Mo Se KANG, Kuk Yeol BAE, Suk In PARK, Hak Geun JEONG, Gi Hwan YOON
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Patent number: 11196257Abstract: An embodiment provides system for managing a distribution network, the system including: a plurality of energy routers configured to control the amount of router power flowing between the distribution network and internal resources; and a distribution network management apparatus configured to transmit a command value for the amount of router power, which is produced according to variability of the distribution network, to the energy router while adjusting a communication cycle of the command value depending on a control success rate of the energy router for the command value.Type: GrantFiled: July 8, 2020Date of Patent: December 7, 2021Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Sea-Seung Oh, Hak-Geun Jeong, Jongbok Baek, Soo-Bin Han, Sukin Park, Su-Yong Chae
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Patent number: 11181569Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.Type: GrantFiled: April 7, 2020Date of Patent: November 23, 2021Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Su Yong Chae, Mo Se Kang, Kuk Yeol Bae, Suk In Park, Hak Geun Jeong, Gi Hwan Yoon
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Patent number: 11146075Abstract: One exemplary embodiment provides a charging and discharging control apparatus for an energy storage apparatus, the charging and discharging control apparatus including: a charging and discharging controlling unit configured to control a charging and discharging current amount of the energy storage apparatus according to a droop curve; a communication unit configured to receive state information from the energy storage apparatus; and a droop curve adjusting unit configured to adjust a characteristic value of the droop curve according to the state information.Type: GrantFiled: October 9, 2019Date of Patent: October 12, 2021Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Su Yong Chae, Sea Seung Oh, Hak Geun Jeong, Jong Bok Baek, Soo Bin Han, Suk In Park
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Publication number: 20210255232Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.Type: ApplicationFiled: April 7, 2020Publication date: August 19, 2021Inventors: Su Yong CHAE, Mo Se KANG, Kuk Yeol BAE, Suk In PARK, Hak Geun JEONG, Gi Hwan YOON
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Publication number: 20210157289Abstract: The present disclosure relates to a multifunctional energy storage system in which one energy storage system is capable of performing a plurality of functions and an operating method thereof.Type: ApplicationFiled: June 11, 2020Publication date: May 27, 2021Applicant: Korea Institute of Energy ResearchInventors: Jong Bok BAEK, Kuk Yeol BAE, Mo Se KANG, Sea Seung OH, Su Yong CHAE, Seon Ri HONG, Hak Geun JEONG
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Publication number: 20210104896Abstract: One exemplary embodiment provides a charging and discharging control apparatus for an energy storage apparatus, the charging and discharging control apparatus including: a charging and discharging controlling unit configured to control a charging and discharging current amount of the energy storage apparatus according to a droop curve; a communication unit configured to receive state information from the energy storage apparatus; and a droop curve adjusting unit configured to adjust a characteristic value of the droop curve according to the state information.Type: ApplicationFiled: October 9, 2019Publication date: April 8, 2021Applicant: Korea Institute of Energy ResearchInventors: Su Yong CHAE, Sea Seung Oh, Hak Geun Jeong, Jong Bok Baek, Soo Bin Han, Suk In Park
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Publication number: 20210104891Abstract: An embodiment provides system for managing a distribution network, the system including: a plurality of energy routers configured to control the amount of router power flowing between the distribution network and internal resources; and a distribution network management apparatus configured to transmit a command value for the amount of router power, which is produced according to variability of the distribution network, to the energy router while adjusting a communication cycle of the command value depending on a control success rate of the energy router for the command value.Type: ApplicationFiled: July 8, 2020Publication date: April 8, 2021Applicant: Korea Institute of Energy ResearchInventors: Sea-Seung OH, Hak-Geun JEONG, Jongbok BAEK, Soo-Bin HAN, Sukin PARK, Su-Yong CHAE
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Publication number: 20130003424Abstract: A multi-phase interleaved bidirectional DC-DC converter with a high voltage conversion ratio is provided. The multi-phase interleaved bidirectional DC-DC converter with a high voltage conversion ratio allows effective control of charge/discharge in multi-energy storage modules including a battery cell module or a super capacitor module, which is characterized in low voltage and high current output. Accordingly, a high-efficiency bidirectional DC-DC converter for use in battery charge/discharge can be implemented.Type: ApplicationFiled: October 26, 2011Publication date: January 3, 2013Inventors: Yujin Song, Soo-Bin Han, Sukin Park, Hak-Geun Jeong, Su-Yong Chae, Gyu-Duk Kim, Seung-Weon Yu
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Publication number: 20130003423Abstract: A multi-input bidirectional DC-DC converter with a high voltage conversion ratio is provided. The multi-input bidirectional DC-DC converter with a high voltage conversion ratio implements phase control loops independent from one another so as to realize independent control of charge and discharge in a plurality of energy storage modules, and thus a failure in one of energy storage modules does not affect the other energy storage modules. In addition, it is possible to easily add or remove a control loop that is controlled independently from other control loops.Type: ApplicationFiled: October 26, 2011Publication date: January 3, 2013Inventors: Yujin Song, Soo-Bin Han, Sukin Park, Hak-Geun Jeong, Su-Yong Chae, Gyu-Duk Kim, Seung-Weon Yu
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Publication number: 20120163035Abstract: Provided is power conversion technology for charge and discharge control of an energy storage module such as battery or super capacitor.Type: ApplicationFiled: December 28, 2010Publication date: June 28, 2012Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Yujin Song, Soo-Bin Han, Sukin Park, Hak-Geun Jeong, Su-Yong Chae, Gyu-Duk Kim, Seung-Weon Yu
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Publication number: 20120153729Abstract: Provided is technology for charge and discharge control of a plurality of energy storage modules having different properties. For achieving the technology, there is provided a multi-input bidirectional DC-DC converter including: a first bidirectional DC-DC converter including a first input unit which stores an input current from a first energy storage module, a primary-side first half-bridge which is connected to the first input unit and controls an input current from the first energy storage module, an output unit which includes an output capacitor, a secondary-side half-bridge which is connected to the output unit and controls the output voltage, and a first transformer whose primary side is connected to the primary-side first half-bridge, whose secondary side is connected to the secondary-side first half-bridge, and which transforms a voltage at the primary side or at the secondary side according to a power mode; and a n-th bidirectional DC-DC converter.Type: ApplicationFiled: December 21, 2010Publication date: June 21, 2012Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Yujin SONG, Soo-Bin Han, Sukin Park, Hak-Geun Jeong, Su-Yong Chae, Gyu-Duk Kim, Seung-Weon Yu
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Publication number: 20080108156Abstract: A method for fabricating a light emitting diode lamp in a simplified procedure, and a high-output LED, that has a simple structure and can exhibit improvement in heat release property, fabricated by using the method which includes the steps of coating an insulating layer on a substrate and etching the insulating layer using a mask pack, coating a conductive metal layer on the insulating layer, forming an electrode pattern and a recess, on which an LED chip is mounted, on the metal layer using the mask pack, attaching the LED chip to the top of the recess, connecting a wire to the electrode pattern, and mounting a reflector having a vertical opening hole around the LED chip on the substrate to reflect light emitted from the LED chip in all directions, and molding the top of the substrate from a transparent resin to cover the LED chip, the electrode pattern and the reflector.Type: ApplicationFiled: January 17, 2007Publication date: May 8, 2008Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Hak-geun JEONG, Bong-man JUNG, Soo-bin HAN, Yu-jin SONG, Suk-in PARK, Seung-won YU, Gyu-duk KIM